<!DOCTYPE html>
<html>
<head>
<meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=0"/>

<link rel="stylesheet" href="../css/default.min.css">
<script src="../js/jquery-2.1.3.min.js"></script>
<script src="../js/highlight.min.js"></script>


<style>
html { height: 90%; width: 100%; }
body {
margin: 0;
min-height: 100%;
min-width: 100%;
text-size-adjust: 100%;
-webkit-text-size-adjust: none;
font-size: 12px;
}

body > pre {
margin: 0em;
min-width: 100%;
min-height: 100%;
overflow: none;
}

body > pre * {
overflow: none;
}

.hljs {
width: 100%;
min-width: 100%; min-height: 100%;
box-sizing: border-box;
overflow: none;
padding: 0;
}

code {
display: block;
width: 100%;
min-width: 100%;
padding: 0;
}

.pre-numbering {
padding: 0 2px 0 2px;
border-right: 1px solid #C3CCD0;
text-align: right;
color: #AAA;
background-color: #EEE;
display: inline-block;
float: left;
margin-top: 0;
margin-right: 15px;
}
</style>

</head>
<body>

<pre><code id="code" class="C">#
# Kbuild for top-level directory of the kernel
# This file takes care of the following:
# 1) Generate bounds.h
# 2) Generate timeconst.h
# 3) Generate asm-offsets.h (may need bounds.h and timeconst.h)
# 4) Check for missing system calls

# Default sed regexp - multiline due to syntax constraints
define sed-y
	"/^->/{s:->#\(.*\):/* \1 */:; \
	s:^->\([^ ]*\) [\$$#]*\([-0-9]*\) \(.*\):#define \1 \2 /* \3 */:; \
	s:^->\([^ ]*\) [\$$#]*\([^ ]*\) \(.*\):#define \1 \2 /* \3 */:; \
	s:->::; p;}"
endef

# Use filechk to avoid rebuilds when a header changes, but the resulting file
# does not
define filechk_offsets
	(set -e; \
	 echo "#ifndef $2"; \
	 echo "#define $2"; \
	 echo "/*"; \
	 echo " * DO NOT MODIFY."; \
	 echo " *"; \
	 echo " * This file was generated by Kbuild"; \
	 echo " */"; \
	 echo ""; \
	 sed -ne $(sed-y); \
	 echo ""; \
	 echo "#endif" )
endef

#####
# 1) Generate bounds.h

bounds-file := include/generated/bounds.h

always  := $(bounds-file)
targets := kernel/bounds.s

# We use internal kbuild rules to avoid the "is up to date" message from make
kernel/bounds.s: kernel/bounds.c FORCE
	$(Q)mkdir -p $(dir $@)
	$(call if_changed_dep,cc_s_c)

$(obj)/$(bounds-file): kernel/bounds.s FORCE
	$(call filechk,offsets,__LINUX_BOUNDS_H__)

#####
# 2) Generate timeconst.h

timeconst-file := include/generated/timeconst.h

targets += $(timeconst-file)

quiet_cmd_gentimeconst = GEN     $@
define cmd_gentimeconst
	(echo $(CONFIG_HZ) | bc -q $< ) > $@
endef
define filechk_gentimeconst
	(echo $(CONFIG_HZ) | bc -q $< )
endef

$(obj)/$(timeconst-file): kernel/time/timeconst.bc FORCE
	$(call filechk,gentimeconst)

#####
# 3) Generate asm-offsets.h
#

offsets-file := include/generated/asm-offsets.h

always  += $(offsets-file)
targets += arch/$(SRCARCH)/kernel/asm-offsets.s

# We use internal kbuild rules to avoid the "is up to date" message from make
arch/$(SRCARCH)/kernel/asm-offsets.s: arch/$(SRCARCH)/kernel/asm-offsets.c \
                                      $(obj)/$(timeconst-file) $(obj)/$(bounds-file) FORCE
	$(Q)mkdir -p $(dir $@)
	$(call if_changed_dep,cc_s_c)

$(obj)/$(offsets-file): arch/$(SRCARCH)/kernel/asm-offsets.s FORCE
	$(call filechk,offsets,__ASM_OFFSETS_H__)

#####
# 4) Check for missing system calls
#

always += missing-syscalls
targets += missing-syscalls

quiet_cmd_syscalls = CALL    $<
      cmd_syscalls = $(CONFIG_SHELL) $< $(CC) $(c_flags) $(missing_syscalls_flags)

missing-syscalls: scripts/checksyscalls.sh $(offsets-file) FORCE
	$(call cmd,syscalls)

# Keep these three files during make clean
no-clean-files := $(bounds-file) $(offsets-file) $(timeconst-file)</code></pre>

<script>hljs.initHighlightingOnLoad();</script>
<script>
$(document).ready(function() {
    $('#code').each(function(i, block) {
    	//console.log(i, block);
    	hljs.highlightBlock(block);
	});
});



$(function() {
    hljs.configure({
        tabReplace: '   '
    });

    $('body').css('width', $(document).width() + 75 + 'px');

    hljs.initHighlighting();

    $("#code").css('display','block');

    $('#code').each(function(){
    	console.log(this);
        var lines = $(this).text().split('\n').length - 1;
        var $numbering = $('<div/>').addClass('pre-numbering');
        $(this).addClass('has-numbering').prepend($numbering);
        for(i=1;i<=lines + 1;i++){
        	console.log("dd");
            $numbering.append(document.createTextNode(i + '\n'));
        }
    });
});
</script>
</body>
</html>